unless

• I will come on monday unless you write to the contrary .
  我将于星期一前来，除非你写信叫我别来。
• Unless you work harder , you will not pass the examination .
  如果不加紧用功，你就不能通过考试。
• Unless reagent grade sucrose is available use cane sugar .
  如果没有试剂级的蔗糖，可以用甘蔗糖。
• There is no fun in winning a thing unless you play for it .
  不费心思得来的东西实在没有什么意思。
• Unless everybody is seated, all spectators will be dismissed !
  大家都坐好，否则旁听的人一律退席。
• But i couldn't buy it unless you tell me how you got it .
  不过你得告诉我它的来历，否则我不能买下它。
• They can't fairly convict me unless i am really guilty .
  除非我真有罪，否则就不能不公不道地定我的罪。
• Unless the employers move quickly , there will be a strike .
  雇主若不尽快采取措施，就要引起一场罢工。
• They cannot understand what we mint at , unless we speak it out .
  我们不讲明，他们不会了解我们的意思。
• Unless there is any other business , we can end the meeting .
  如果没有别的事情，我们的会议可以结束了。